/Engine/Source/Runtime/RenderCore/Public/Shader.h
Saves stable keys for the shaders in the pipeline
void SaveShaderStableKeys ( const [FShaderMapPointerTable](API\Runtime\RenderCore\FShaderMapPointerTable) & InPtrTable, EShaderPlatform TargetShaderPlatform, const struct [FStableShaderKeyAndValue](API\Runtime\RenderCore\FStableShaderKeyAndValue) & SaveKeyVal ) const